Film feed device with film velocity detector and deceleration and braking control
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United States of America Patent
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-
Aug 6, 1996
Issued Date -
N/A
app pub date -
Apr 5, 1995
filing date -
Aug 21, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A film feed device comprises motor for feeding a film, a power supply battery for supplying a voltage to the motor, a velocity detection unit for detecting a film feed velocity, a deceleration unit for duty-driving the motor, a reverse drive brake unit for reversely driving the motor to stop the film feed, and a control unit for controlling the deceleration unit and the reverse drive brake unit based on the film feed velocity detected by the velocity detection unit.
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